Ribbon cartridge



FIG. 1 is a top plan view of a ribbon cartridge showing my new design;broken line disclosure being illustrative of environment only;

FIG. 2 is a bottom plan view;

FIG. 3 is a right side elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a rear elevational view; and

FIG. 6 is a front elevational view.

The ornamental design for a ribbon cartridge, as shown and described.